Roger D. Carstens, one of the investigators featured on The Wanted, a program from NBC News about tracking down terrorists, talks about the show, what he hopes it will accomplish, and how it helped him to personally find some closure.

Alex Kershaw’s latest book, Escape from the Deep, tells the suspense-driven story of the USS Tang, the high-killing navy submarine sunk by its own torpedo during a late 1944 “unrestricted warfare” run near Formosa.

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